#include <cassert>
#include <stdexcept>

#include "directives.h" // IWYU pragma: keep
#include "tag.h"
#include "token.h"

namespace YAML {
Tag::Tag(const Token& token)
    : type(static_cast<TYPE>(token.data)), handle{}, value{} {
    switch (type) {
    case VERBATIM:
        value = token.value;
        break;
    case PRIMARY_HANDLE:
        value = token.value;
        break;
    case SECONDARY_HANDLE:
        value = token.value;
        break;
    case NAMED_HANDLE:
        handle = token.value;
        value = token.params[0];
        break;
    case NON_SPECIFIC:
        break;
    default:
        assert(false);
    }
}

const std::string Tag::Translate(const Directives& directives) {
    switch (type) {
    case VERBATIM:
        return value;
    case PRIMARY_HANDLE:
        return directives.TranslateTagHandle("!") + value;
    case SECONDARY_HANDLE:
        return directives.TranslateTagHandle("!!") + value;
    case NAMED_HANDLE:
        return directives.TranslateTagHandle("!" + handle + "!") + value;
    case NON_SPECIFIC:
        // TODO:
        return "!";
    default:
        assert(false);
    }
    throw std::runtime_error("yaml-cpp: internal error, bad tag type");
}
} // namespace YAML
